The MAX71020 is a single-chip, analog front-end to be used in high-performance revenue meters. It contains the compute engine found in Maxim’s fourth-generation meter SOC and an improved ADC, and interfaces to the host microcontroller of choice over a SPI interface. The MAX71020 comes in a 28-pin TSSOP package. Features S 0.1% Accuracy Over 2000:1 Current .
S 0.1% Accuracy Over 2000:1 Current Range S Exceeds IEC 62053/ANSI C12.20 Standards S Two Differential Current Sensor Inputs S Two Voltage Sensor Inputs S Selectable Gain of 1 or 9 for One Current Input to Support a Shunt S High-Speed Wh/VARh Pulse Outputs with Programmable Width S Up to Four Pulse Outputs with Pulse Count S Four-Quadrant Metering S Digital Temperature Compensation S Independent 32-Bit Compute Engine S 45Hz to 65Hz Line Frequency Range with Same Calibration S Phase Compensation (±10°) S Four Multifunction DIO Pins S SPI Interface S -40°C to +85°C Industrial Temp.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | MAX71020A |
Silergy |
Energy Measurement AFE | |
2 | MAX71020A |
Maxim Integrated |
Energy Measurement AFE | |
3 | MAX710 |
Maxim |
3.3V/5V or Adjustable / Step-Up/Down DC-DC Converters | |
4 | MAX71071 |
Silergy |
Dual-Channel Isolated Metrology ADCs | |
5 | MAX71071 |
Maxim Integrated |
Dual-Channel Isolated Metrology ADCs | |
6 | MAX71071H |
Maxim Integrated |
Dual-Channel Isolated Metrology ADCs | |
7 | MAX711 |
Maxim |
3.3V/5V or Adjustable / Step-Up/Down DC-DC Converters | |
8 | MAX712 |
Maxim |
NiCd/NiMH Battery Fast-Charge Controllers | |
9 | MAX7126 |
Maxim Integrated |
Digit A/D Converter | |
10 | MAX7129 |
Maxim |
4-1/2 Digit Single-Chip A/D Converter with LCD Driver | |
11 | MAX713 |
Maxim Integrated |
NiCd/NiMH Battery Fast-Charge Controllers | |
12 | MAX71313L |
Silergy |
Single-Phase Electricity Meter SoC |